History 41 Politics and government 13 Foreign relations 9 Biography 8 Leadership 8 World War, 1939-1945 7 Economic conditions 6 Management 6 Economic policy 5 Forecasting 5 International relations 5 National security 5 Nationalism 5 Production management 5 World politics 5 English fiction 4 Foreign economic relations 4 Organizational change 4 War 4 20th century 3 Asia 3 Case studies 3 Causes 3 Congresses 3 Economic aspects 3 Executives 3 Historiography 3 Indigenous peoples 3 Military intelligence 3 Regionalism 3